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-rw-r--r--src/util/valid_hostname.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/util/valid_hostname.h b/src/util/valid_hostname.h
new file mode 100644
index 0000000..b06fc17
--- /dev/null
+++ b/src/util/valid_hostname.h
@@ -0,0 +1,39 @@
+#ifndef _VALID_HOSTNAME_H_INCLUDED_
+#define _VALID_HOSTNAME_H_INCLUDED_
+
+/*++
+/* NAME
+/* valid_hostname 3h
+/* SUMMARY
+/* validate hostname
+/* SYNOPSIS
+/* #include <valid_hostname.h>
+/* DESCRIPTION
+/* .nf
+
+ /* External interface */
+
+#define VALID_HOSTNAME_LEN 255 /* RFC 1035 */
+#define VALID_LABEL_LEN 63 /* RFC 1035 */
+
+#define DONT_GRIPE 0
+#define DO_GRIPE 1
+
+extern int valid_hostname(const char *, int);
+extern int valid_hostaddr(const char *, int);
+extern int valid_ipv4_hostaddr(const char *, int);
+extern int valid_ipv6_hostaddr(const char *, int);
+extern int valid_hostport(const char *, int);
+
+/* LICENSE
+/* .ad
+/* .fi
+/* The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/* Wietse Venema
+/* IBM T.J. Watson Research
+/* P.O. Box 704
+/* Yorktown Heights, NY 10598, USA
+/*--*/
+
+#endif